/*
 * This file is part of the GROMACS molecular simulation package.
 *
 * Copyright 2018- The GROMACS Authors
 * and the project initiators Erik Lindahl, Berk Hess and David van der Spoel.
 * Consult the AUTHORS/COPYING files and https://www.gromacs.org for details.
 *
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/*! \internal \file
 *
 * \brief Declares the atom distribution function.
 *
 * \author Berk Hess <hess@kth.se>
 * \ingroup module_domdec
 */
#ifndef GMX_DOMDEC_DOMDEC_DISTRIBUTE_H
#define GMX_DOMDEC_DOMDEC_DISTRIBUTE_H

#include "gromacs/utility/basedefinitions.h"

struct df_history_t;
struct gmx_ddbox_t;
struct gmx_domdec_t;
struct gmx_mtop_t;
struct t_block;
class t_state;

namespace gmx
{
class MDLogger;
}

/*! \brief Distributes the state from the main rank to all DD ranks */
void distributeState(const gmx::MDLogger& mdlog,
                     gmx_domdec_t*        dd,
                     const gmx_mtop_t&    mtop,
                     t_state*             state_global,
                     const gmx_ddbox_t&   ddbox,
                     t_state*             state_local);

/*! \brief Distribute the dfhist struct from the main rank to all DD ranks
 *
 * Used by the modular simulator checkpointing
 *
 * \param dd  Domain decomposition information
 * \param dfhist  Free energy history struct
 */
void dd_distribute_dfhist(gmx_domdec_t* dd, df_history_t* dfhist);

#endif
